On November 18, China's leading aluminum foil technology company, JSCL Aluminum Technology Group, issued an announcement that the company has already had business cooperation with BYD. The battery foil for new energy power batteries is cooperating through the wholly-owned subsidiary JSCL New Energy Technology Company; the special aluminum alloy casing for lithium-ion power batteries (blade batteries) is cooperating through the wholly-owned subsidiary SDXH Technology, and has entered the batch supply stage . BYD's products for new energy power vehicles include special casings for new power batteries and positive current collectors (battery aluminum foil).